Mosquitofish, Bred At The Hackettstown Fish Hatchery, Help Battle West Nile VirusMosquito-eating fish work for people in exchange for food. Gambusia affinis -- more commonly called mosquitofish -- are bred at the Hackettstown Fish Hatchery.
New Jersey Using Fish To Control Mosquito Larvae PopulationA 20-year-old state DEP program doles out 150,000 fish a year to eat up larvae.

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